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Melting over a wavy surface in a rectangular cavity heated from below

Author

Listed:
  • Kousksou, T.
  • Mahdaoui, M.
  • Ahmed, A.
  • Msaad, A. Ait

Abstract

The current numerical study is conducted to analyze melting in a rectangular closed enclosure by subjecting the bottom wavy surface to a uniform temperature. The cavity vertical walls and the top wall are insulated while the bottom wall is maintained at temperature TB = 38.3 °C. The enclosure was filled by solid Gallium initially at temperature Ti = 28.3 °C. A numerical code is developed using an unstructured finite-volume method and an enthalpy porosity technique to solve for natural convection coupled to solid–liquid phase change. The validity of the numerical code used is ascertained by comparing our results with previously published results. The effect of the amplitude of the wavy surface on the flow structure and heat transfer characteristics is investigated in detail. It is found that the rate of the melting increases with the elevation in the magnitude of the amplitude value of the wavy surface.

Suggested Citation

  • Kousksou, T. & Mahdaoui, M. & Ahmed, A. & Msaad, A. Ait, 2014. "Melting over a wavy surface in a rectangular cavity heated from below," Energy, Elsevier, vol. 64(C), pages 212-219.
    • Handle: RePEc:eee:energy:v:64:y:2014:i:c:p:212-219
    DOI: 10.1016/j.energy.2013.11.033
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    References listed on IDEAS

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    1. Wang, Yi-Hsien & Yang, Yue-Tzu, 2011. "Three-dimensional transient cooling simulations of a portable electronic device using PCM (phase change materials) in multi-fin heat sink," Energy, Elsevier, vol. 36(8), pages 5214-5224.
    2. Cheng, Wen-Long & Mei, Bao-Jun & Liu, Yi-Ning & Huang, Yong-Hua & Yuan, Xu-Dong, 2011. "A novel household refrigerator with shape-stabilized PCM (Phase Change Material) heat storage condensers: An experimental investigation," Energy, Elsevier, vol. 36(10), pages 5797-5804.
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    Cited by:

    1. Mahdaoui, M. & Kousksou, T. & Marín, J.M. & El Rhafiki, T. & Zeraouli, Y., 2014. "Laminar flow in circular tube with internal solidification of a binary mixture," Energy, Elsevier, vol. 78(C), pages 713-719.
    2. Juan Duan & Yongliang Xiong & Dan Yang, 2019. "On the Melting Process of the Phase Change Material in Horizontal Rectangular Enclosures," Energies, MDPI, vol. 12(16), pages 1-21, August.
    3. Ahmed Saad Soliman & Ahmed A. Sultan & Mohamed A. Sultan, 2022. "Effect of Mushy Zone Parameter on Phase Change Behavior of Different Configurations Storage Unit: Numerical Simulation and Experimental Validation," Sustainability, MDPI, vol. 14(21), pages 1-18, November.
    4. Amin Ebrahimi & Chris R. Kleijn & Ian M. Richardson, 2019. "Sensitivity of Numerical Predictions to the Permeability Coefficient in Simulations of Melting and Solidification Using the Enthalpy-Porosity Method," Energies, MDPI, vol. 12(22), pages 1-18, November.

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